(19)

(11)

EP 0 963 624 A1

(12)

(43) Date of publication: 15.12.1999 Bulletin 1999/50 (21) Application number: 98908366.0 (22) Date of filing: 20.02.1998

(51) International Patent Classification (IPC):  H03F 3/ 193( . ) H03H 7/ 01( . ) H03F 3/ 72( . ) H03H 7/ 38( . ) (86) International application number: PCT/SE1998/000305 (87) International publication number: WO 1998/037626 (27.08.1998 Gazette 1998/34)

(84) Designated Contracting States: BE DE ES FI FR GB IT SE (30) Priority: 25.02.1997 SE 19970000669 (71) Applicant: TELEFONAKTIEBOLAGET L M ERICSSON (publ) 126 25 Stockholm (SE)	(72) Inventors: BOLIN, Tomas S-226 47 Lund (SE) BRANDT, Per-Olof S-245 61 Staffanstorp (SE) IMBERG, Ulrik S-603 55 Norrköping (SE) (74) Representative: Bengtsson, Peggy Katrin  Ericsson Mobile Communications AB IPR Department Nya Vattentornet 221 83 Lund 221 83 Lund (SE)